GEOLOGICAL SPECIMENS STREAK PLATES BLACK PACK 10
- EN1963-01
70mm x 25mm
glazed, matte black
pack of 10
Streak plates are porcelain tiles used in geology to perform the streak test, a method for identifying minerals by the color of their powdered form. To perform the test, a mineral specimen is scraped across the plate, leaving a streak of powdered color that helps determine the mineral, especially when the mineral's external color is misleading